533117 A7 ------ B7 _ 五、發明說明（i ) [發明所屬的技術領域】 本發明為關於容易進行旋轉連結部（f〇tary j〇int)之檢 查、芯部露出位置之決定等的修復作業之分度盤（index table)。 [習用的技術] 曰本專利公報2930889號揭示有旋轉盤（r〇tary table)。該旋轉盤具備設有空、油壓輸入用開口部及於其 中央設有貫通孔之盤本體、具有旋轉自如的支持於該盤本 體並為旋轉自如的嵌合於貫通孔之内側筒形部的旋轉盤， 具有連通於前述空、油壓輸入用開口部的通路並為由盤本 體下面插入而嵌合於内側筒形部之内周面以固定於盤本體 之筒形的分配部（distributor)、以及設有空、油壓用通路 及出口而為由旋轉盤之中央孔上面插入並固定於前述旋轉 盤而嵌合於分配部之内周面的中心軸。 依前述專利公報2930889號的技術，在分配部之内周 面及中心軸的外周面形成旋轉連結部用環狀槽及旋轉連結 部用開口部，分配部之通路及中心軸之通路間為連通。又 於分配部内周面的連通路近傍位置設置有〇形環，以維 持前述通路於氣密或液密狀態。 又於日本特開平2-298448號公報揭示有將盤固定於 與殼體（housing)之筒狀部嵌合的插入之蝸輪…以瓜 wheel) ’中心軸為插通盤的中心部而安裝，另一方面旋轉 連結部為固定於前述筒狀部的内部，中心轴為喪合於旋轉 _連結部-的内設置，而設在中心軸之通路與設在旋轉 μ ξ ⑵0 x 297 公爱）--------ϋ 1 312370 丨丨 *41^^ · · I f請先«Itt背面之注音？事項再填寫本頁) tpr!. 經濟部智慧財產局員工消費合作社印製 3533117 A7 ------ B7 _ V. Description of the invention (i) [Technical field to which the invention belongs] The present invention is to make it easy to inspect the rotating joint (f〇tary j〇int) and determine the exposed position of the core Index table for repair work. [Conventional Technology] Japanese Patent Publication No. 2930889 discloses a rotary table. The rotary disk includes a disk body provided with openings for air and oil pressure input, and a through hole in the center thereof, and an inner cylindrical portion that is rotatably supported by the disk body and is rotatably fitted in the through hole. The rotating disk has a passage that communicates with the air and oil pressure input openings, and is inserted into the lower surface of the disk body and fits into the inner peripheral surface of the inner cylindrical portion to be fixed to the cylindrical distributor of the disk body. ), And a central axis provided with air and hydraulic passages and outlets, inserted into the upper surface of the center hole of the rotary disk and fixed to the rotary disk, and fitted to the inner peripheral surface of the distribution portion. According to the technique of the aforementioned Patent Publication No. 2930889, an annular groove for a rotary connection portion and an opening for a rotary connection portion are formed in the inner peripheral surface of the distribution portion and the outer peripheral surface of the central axis, and the passage between the distribution portion and the central axis is in communication with each other. . An O-ring is provided near the communication path on the inner peripheral surface of the distribution section to maintain the aforementioned path in an air-tight or liquid-tight state. In Japanese Patent Application Laid-Open No. 2-298448, it is disclosed that an inserting worm wheel that fixes a disc to a cylindrical portion of a housing ... is installed with a central axis of the disc as the central part of the disc, and On the one hand, the rotating connecting part is fixed inside the cylindrical part, and the central axis is provided inside the rotating _ connecting part-, and the path provided on the central axis and the rotating μ ξ ⑵0 x 297 (Pai Ai)- ------- ϋ 1 312370 丨 丨 * 41 ^^ · · I f, please first «Itt on the back? Please fill in this page again for details) tpr !. Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 3
經濟部智慧財產局員工消費合作社印製 2 連結部之通路為透過環狀槽連通的分度（index)機構。依 該公報的第14圖於形成旋轉連結部内周面的連通路之環 狀槽的上下位置形成有其他環狀槽，推斷為密封用的槽。 [發明所欲解決的課題] 依則述紅轉盤或分度機構因旋轉連結部之通路的積塵 及旋轉連結部之密封部的經年劣化，對於旋轉連結部有必 要定期的檢查及修復。 依前者（專利2930889號公報）的技術，則於旋轉盤的 上面側及盤本體的下面側雙方均需要旋轉連結部裝卸用的 作業空間。 又依後者（特開平2-298448號公報）的技術則需要卸 下盤本部，作業後需要盤本部狀態的還原作業（原點校準 作業），需要相當的作業時間。 因此本發明以提供於旋轉連結部之檢查、修復時，能 容易裝卸構成旋轉連結部之組件，可不必連同分度盤移 丨 動’又可不必卸下盤部即可對旋轉連結部實行檢查及修復 作業的分度盤為目的。 [解決課題的手段] 為達成上述的目的，本發明之分度盤將為了供給壓力 流體於旋轉自如之盤的盤面側而插入之旋轉連結部的部 分’亦即形成旋轉連結部之分配部及軸為由盤面側或盤面 的相反側之任一方裝卸的構成。於此之「盤面側」表示用 以固定工件或夾具之平坦的盤面側，又「盤面側的相反側」 表示以固定工件或夹具之平坦的盤面為正面時的背面側。 本...氏浪尺度過用中國國家標準（CNS)A4規格（210 X 297公釐） 312370 - - -----/ . i — 1 — n l ^«1111 — — »^ Aw (请先閲堉背面之注意事項再填寫本頁) 533117 A7 B7 五、發明說明（ 具體言之，本發明之分度盤具備於令央部分形成有貫 通孔的框體、旋轉自如的支持在該框_體之盤、及插入前述 ί精先閱讀背面之注意亊項再填寫本頁} 貫通孔而對前述盤之旋轉令心線為以同軸狀態設置之旋轉 連結部。 前述旋轉連結部為由設有壓力流體供給用的通路，而 對框體側以旋轉止動狀態安裝之分配部、以及具有向前述 盤之盤面側輸出壓力流體之開口部及與其連通的通路而與 則述盤為一體旋轉的軸所構成。前述分配部及前述轴之任 一方係以與另一方嵌合的方式配置。在該嵌合狀態，前述 分配部之通路與前述軸的通路係以於對應位置而連通的方 式形成。 然後前述盤為由前述框部支持的狀態，前述分配部及 月;I述軸一起係以由前述盤之盤面側，或自盤面的相反側之 任一方插入的方式構成前述框體及前述盤。 前述分配部及前述軸為一起自前述盤之盤面側插入， 或自盤面側的相反側插入，又於前述分配部與前述軸之間 可視需要裝設轴承。 經濟部智慧財產局員工消費合作杜印製 [發明的實施形態] 第1圖表示本發明之分度盤丨，分度盤i之旋轉連結 部（rotary joint)4為由盤部（table)3之盤面3a側插入，本 例表示於構成旋轉連結部4之分配部（distribut〇r)5與轴 (shaft)6之間不設軸承。 第1圖所示分度盤1具備框體（fraine)2、盤3、及旋 轉連結部4 °框體2之大約中央部分形成貫通孔7 〇貫通 本紙^尺度適用中國國家標準（CNS)A4規格（210 χ 297公餐) -----—-^- 3 312370 經濟部智慧財產局員工消費合作社印製 533117 A7 ------- B7 五、發明說明（4 ) 孔7之盤面3a側形成開口狀態以便裝卸旋轉連結部4， 又貫通孔7之盤面3a的相反側為以用安裝螺栓9固定於 框體2的板（piate)8封住。但框體2與板8為一體構成亦 可〇 盤3為由筒狀的支持構件u及兩個軸承12以相對於 盤3之旋轉的令心線為同轴的狀態旋轉自如的支持。筒狀 的支持構件11在盤3之中心孔3 b内部以相對於盤3的旋 轉中心線為同軸的狀態，並在其與框體2之間安裝襯墊 (paching) 13而藉由安裝螺栓1〇固定在盤3上。於此之盤 3的中心孔3b為以同軸狀態與框體2的貫通孔7相通。 支持構件11與盤3不一定個別形成，將其一體的構成亦 可° 盤3為以固定螺栓29與螞輪（worm wheel)"成為一 體。蜗輪14於其外周部分與蝸桿(w〇rm)i 5唾合，由馬達 16直接的或由適當的傳達手段驅動。 旋轉連結部4為插入中心孔3b及貫通孔7而以相對 ，於盤3的旋轉中心線為同軸的狀態配置，並由柱狀的分 配部5及筒狀的軸6所構成。分配部5為要分配壓力空氣、 壓力油等的壓力流體17而設有壓力流體供給用的通路 1 8，並在貫通孔7的内部以相對於盤3的旋轉中心線為同 軸的狀態藉由安裝螺栓19以相對於框體2側不可旋轉的 狀態安裝於板8。安裝螺旋19由形成在軸6之螺栓插入 孔31從盤面3a側旋入。通路18為經由板8的通路2〇、 框體2的通路21通至框體2的輸入口 22。 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公爱) ""^-···—_ 4 312370 (請先閱續背面之注意事項再填寫本頁)Printed by the Intellectual Property Bureau of the Ministry of Economic Affairs, Consumer Cooperatives. 2 The path of the connection department is an index organization connected through a circular groove. According to Fig. 14 of this publication, other annular grooves are formed at the upper and lower positions of the annular groove forming the communication path on the inner peripheral surface of the rotary connection portion, and it is estimated that it is a groove for sealing. [Problems to be Solved by the Invention] According to the rules, due to the accumulation of dust in the path of the rotary joint and the deterioration of the sealing part of the rotary joint, the red joint or indexing mechanism must be regularly inspected and repaired. According to the technique of the former (Patent No. 2930889), both the upper surface side of the rotary disk and the lower surface side of the disk body require a working space for attaching and detaching the rotary connection portion. According to the latter technique (Japanese Patent Application Laid-Open No. 2-298448), the disk head section needs to be removed, and after the operation, the state of the disk head section needs to be restored (origin calibration work), which requires considerable work time. Therefore, in the present invention, during the inspection and repair of the rotary joint, the components constituting the rotary joint can be easily attached and detached, and the rotary joint can be inspected without moving the indexing disk or removing the disk. And indexing discs for repair work. [Means for Solving the Problem] In order to achieve the above-mentioned object, the indexing plate of the present invention is a portion of the rotary connection portion that is inserted to supply pressure fluid to the disk surface side of the freely rotating disk, that is, a distribution portion that forms a rotary connection portion and The shaft is configured to be attached to and detached from either the disk surface side or the opposite side of the disk surface. Here, "disk surface side" means a flat disk surface side to which a workpiece or a fixture is fixed, and "opposite side of the disk surface side" means a back side when a flat disk surface to which a workpiece or a fixture is fixed is a front side. This ... The scale has been used in China National Standard (CNS) A4 (210 X 297 mm) 312370------- /. I — 1 — nl ^ «1111 — —» ^ Aw (please first Please read the notes on the back of the page and fill in this page again) 533117 A7 B7 V. Description of the invention (Specifically, the indexing plate of the present invention is provided in the frame with a through hole formed in the central part, and the freely rotating support is provided in the frame_ Insert the disc of the body and insert the above-mentioned precautionary items on the back of the page, and then fill out this page} The through-hole and the rotation of the disc make the heart line a coaxial rotary connection part. The aforementioned rotary connection part is provided for The passage for the supply of pressure fluid, the distribution part installed in a rotation stop state to the frame side, and an opening part for outputting pressure fluid to the disc surface side of the disc and a passage communicating therewith, and rotates integrally with the disc. It is constituted by a shaft. Either one of the distribution portion and the shaft is arranged to be fitted to the other. In this fitted state, the passage of the distribution portion and the passage of the shaft are formed so as to communicate with each other at corresponding positions. . Then the aforementioned disc is forefront In the state supported by the frame portion, the distribution portion and the month; the shafts together constitute the frame and the disk by inserting from the disk surface side of the disk or from the opposite side of the disk surface. The shaft is inserted together from the disk surface side of the aforementioned disk, or from the opposite side of the disk surface, and a bearing may be installed between the aforementioned distribution section and the aforementioned shaft as required. The consumer cooperation of the Intellectual Property Bureau of the Ministry of Economic Affairs Du printed [invented by Embodiment] FIG. 1 shows the indexing plate of the present invention 丨, and the rotary joint 4 of the indexing plate i is inserted from the disk surface 3a side of the table portion 3. This example shows the configuration of the rotary connection portion There is no bearing between the distributor 5 of the 4 and the shaft 6. The indexing disc 1 shown in FIG. 1 includes a frame 2, a disc 3, and a 4 ° frame of the rotary joint. A through hole is formed in the central part of 2 7 Through the paper ^ The standard applies the Chinese National Standard (CNS) A4 specification (210 χ 297 meals) --------- ^-3 312370 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs System 533117 A7 ------- B7 V. Description of the invention (4) Hole 7 The disk surface 3a side is opened to attach and detach the rotary connection portion 4, and the opposite side of the disk surface 3a of the through hole 7 is sealed with a piate 8 fixed to the frame 2 with mounting bolts 9. However, the frame 2 and the plate 8 It can also be integrated. The disk 3 can be rotatably supported by a cylindrical support member u and two bearings 12 in a coaxial state relative to the rotation of the disk 3. The cylindrical support member 11 is on the disk. The center hole 3 b of 3 is coaxial with the rotation center line of the disk 3, and a paching 13 is installed between the center hole 3 b and the frame 2, and the disk 3 is fixed to the disk 3 by a mounting bolt 10. Here, the center hole 3b of the disc 3 communicates with the through hole 7 of the frame body 2 in a coaxial state. The support member 11 and the disc 3 are not necessarily formed separately, and an integral structure may be used. The disc 3 may be formed as a single body with a fixing bolt 29 and a worm wheel ". The worm wheel 14 is in contact with the worm (wom) i 5 at its outer peripheral portion, and is driven by the motor 16 directly or by an appropriate transmission means. The rotation connection portion 4 is inserted into the center hole 3b and the through hole 7 so as to face each other, and is coaxial with the rotation center line of the disc 3, and is composed of a columnar distribution portion 5 and a cylindrical shaft 6. The distribution unit 5 is provided with a pressure fluid supply passage 18 for distributing pressure fluid 17 such as pressurized air, pressurized oil, and the like, and is coaxial with the center of rotation of the disc 3 in the through hole 7 by The mounting bolt 19 is attached to the plate 8 in a state that is not rotatable with respect to the frame 2 side. The mounting screw 19 is screwed from the disk surface 3a side through a bolt insertion hole 31 formed in the shaft 6. The passage 18 is an input port 22 leading to the housing 2 through the passage 20 of the board 8 and the passage 21 of the housing 2. This paper size applies to China National Standard (CNS) A4 specification (210 X 297 public love) " " ^-··· —_ 4 312370 (please read the precautions on the back side before filling this page)
533117 A7 B7 經 濟 部 智 慧 財 產 局 員 工 消 費 合 作 社 印 製 五、發明說明（5 ) 軸6在中心孔3b的内部以相對於盤3之旋轉中心線 為同軸的狀態配置，並設有向盤3之盤面3a側輸忠塵力 流體17之複數個開口部23及連通該等開口部23之複數 個通路24，且用凸緣部分之安裝螺栓25安裝在支持構件 11而與盤3成為一體。 本例之分配部5為插入杯狀的轴6内部，與其後合並 可藉喪合周面的滑動而旋轉自如的配置，且於分配部5與 軸6之間安裝複數個旋轉密封（seal)部26並以喪合周面達 通分配部5之通路18與其對應之軸6的通路24。又於轴 6、支持構件11及盤3之間安裝〇形環（〇 ring)27、28。 如上所述，旋轉連結部4(分配部5及軸6)為藉由安 裝螺栓19、25而可由盤面3側裝卸自如。圖中所示分配 部5及軸6之雙方藉環狀槽而形成通路is、24,但气要 通路18、通路24中之至少一方形成環狀，即可於分配部 5與轴6相對旋轉時維持連通狀態。 分配部5及軸6均為由盤面3a側順次插入盤3的中 心孔3b而安裝於預定的位置。因此將支持構件u的内徑 形成為能容許分配部5及轴6插入的尺寸。因此在盤面“ 的相反側，依本例則即使在框體2之安裝面“側無旋轉 連結部4之裝卸用空間亦可在分配部5及軸6之卸下過程 中從盤面3a側實行旋轉密封部26的更換作業。乂分度盤 1在工作機械之加工檯上的安裝方向為以分度盤丨之^轉 軸的垂直方向、水平方向、或傾斜方向為其方向。 -^行分度盤1之分度動作時，馬達10將蜗桿15驅動 本纸張尺度適用中關家標準（cnsG規格⑵G x 297公餐 - 什驅動 312370 ----------------^^9 (锖先閱讀背面之注意事項再填寫本頁) 5 533117 A7 B7 經濟部智慧財產局員工消費合作社印製 五、發明說明（6 ) 旋轉，使與螞輪14為一體的盤3旋轉預定的旋轉角度， 藉以使盤3旋轉定位在預定的旋轉角度的位置。在該分度 動作中，壓力流體17通過框體2之輸入口 22、通路21、 板8之通路20、分配部5之通路18、軸6之通路24而到 達盤3的開口部23而供給至盤面3a側，供使用於需要的 用途。 其次參照第2至第4圖說明其他的實施形態。第2至 第4圖中與第1圖相同部分註以同一符號並在不必要範圍 省略其說明。 第2圖為第1圖的變形例，旋轉連結部* (分配部5 及轴6)為由盤面3a的相反側插入，本例於分配部5與軸 6之間不設軸承。如第2圖所示，分配部5與板8成為一 體，而從盤面3a的反對側插入框體2的貫通孔7，並藉 由安裝螺栓9而可相對於框體2裝卸自如。 軸ό為在分配部5及板8安裝於框體2前由盤面3a 的相反側插入框體2的貫通孔7内部，並藉由凸緣部分的 ，安裝螺栓25而裝卸自如的安裝於與盤3為一體之支持構 件11。依上述構成時，即使在盤面3 a側無作業空間亦可 在盤3上安置有工作及夾具的狀態下，直接從盤面“的 相反側進行旋轉密封部26等的更換。 第3圖表示以預先組裝之旋轉連結部4(分配部5及 軸6)由盤面3a的相反側插入，於分配部5與轴6之門μ 置兩個軸承30之例。本例之框體2的安裝面“成為3框^ 2的側面，板8不存在。 本纸張尺度適用中國國豕標準（CNS)A4規格（21〇 X 297公爱）""""— 11 — 6 312370 (锖先閱續背面之注意事項再填寫本I) B裝 -n ϋ If ϋ n I 訂 — .----Λ 533117 A7 B7 五、發明說明（ (請先閱讀背面之注意事項再填寫本頁) 为配部5經由兩個轴承30由盤面3a之相反側插入軸 6的内部，分配部5及軸6以上述狀態成為一體而對於盤 3的背面複數個安裝螺栓25裝卸自如的固定在框體2的 貫通孔7内部。安裝螺栓25為由對分配部5及軸6為共 通之螺栓插入孔31自盤3的背面旋入。 旋轉連結部4之組裝順序除將一方之軸承3〇嵌入軸 6，將另一方之軸承3〇後入分配部5，然後將兩者合成一 體的順序之外’亦可為將兩軸承3〇裝設在分配部5，然 後將其插入轴6之順序。在旋轉連結部4的組裝狀態，分 配部5為藉由分配部5之螺栓等的止動部（st〇pper)32與 固疋在框體2之旋轉止動部33的扣合而阻止盤3之旋轉。 又輸入口 22為形成在分配部5的端部，通過未圖示的配 管供給有壓力流體於該輸入口 22。 經濟部智慧財產局員工消費合作社印製 前述第1及第2圖所示的例，在插入旋轉連結部4於 分度盤1後，有必要使旋轉連結部4之内側構件的分配部 5的芯部露出，然依第3圖之例時，由於分配部5與軸承 30共同嵌入軸6，因此不必使分配部5的芯部露出。又依 第3圖時，分配部5與軸6之間隔由軸承30保持一定， 因而不致發生轴6的彎曲及過熱咬死（seizure)。另外又由 於旋轉連結部4為預先組裝，因此可縮短盤3的作業時間。 又依第3圖的例時，雖以柱狀的分配部5嵌合於筒狀 的轴部6内部，但亦可將分配器5形成筒狀，軸6形成柱 狀，以柱狀的軸6固定於盤3而嵌合於筒狀的分配器5内 部。如此可使分配部5與軸6的嵌合之内外關係成為與第 尺度適用中國國家標準（CNS)A4規格（210 X 297公髮Γ 533117 A7 瓦、發明說明（8 ) 3圖所示相反的狀態。 社第4圖冑帛3圖的變_，本例將預定組裝的旋轉連 部4(分配部5及軸6)由盤面3a側插入，於分配部5及 f6之間设置兩個軸承3〇。如圖所示，筒狀的轴6為用 安裝螺栓25安裝於中心蓋34，再對著盤3之中心孔π 的段部後盤面3a側插入，而裝卸自如地安裝於盤3。 么對於第3及第4圖的變形例，其旋轉連結部4不預先 、且裝，而在相對於分度盤丨之一連串的組裝過程中裝上軸 承3〇亦可。 一對於前述所有的例，亦如前述，分配部5與軸6之嵌 i的内外關係不一定限定如圖所示，而可考慮分配部5嵌 合=筒狀的軸6内部，或軸6嵌合於筒狀的分配部5内部。 又别述例中旋轉密封部26為設在軸6的内周面側，但亦 可設在分配部5之外周面側。 [發明的效果] 依申請專利範圍第1項的發明，在旋轉連結部之檢查 修復時，在盤之盤面側，或其相反側的任一方/設有作業空 間，即可裝卸構成旋轉連結部之分配部及軸。因此可不必 如以往之需要移動分度盤及裝拆分度盤，即可實行檢查及 修復作業。 依申請專利範圍第2項，由於前述分配部及軸一起為 由盤之盤面侧插入，因此於盤面之相反側無裝卸作業用的 空間亦可實行檢查修復作業。 依申清專利範圍第3項，由於前述分配部及軸一起為 g紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公爱) '------ 8 (請先閱讀背面之注意事項再填寫本頁) - — 111 訂---；！----· 經濟部智慧財產局員工消費合作社印製 533117 A7 B7 五、發明說明（9) 由前述盤面側之相反側插入，因 件及夾具等即可實行檢查修復作 依申請專利範圍第4項，由 有轴承，因此嵌合部的間隙成為 曲或過熱咬死等而有利。 [圖面的簡單說明] 第1圖表示本發明之分度盤 第2圖表示本發明之分度盤 第3圖表示本發明之分度盤 第4圖表示本發明之分度盤 [符號的說明] 1 分度盤 ,2a 安裝面 3 a 盤面 4 旋轉連結部 6 軸 此不必知 卻下設在盤 業0 面之工 部與轴之間裝 固定，在甘 仕其間不致發生彎 經濟部智慧財產局員工消費合作社印製 8 板部 10 安裝螺栓 12 轴承 14 蜗輪 16 馬達 18 通路 20 通路 22 輸入口 2 3 3b 5 7 9 11 13 15 17 19 21 Μ氏張尺度適用中國國家標準（CNS)A4規格（210 的斷面圖。 的斷面圖。 的斷面圖。 的斷面圖。 框體 盤 中心孔 分配部 貫通孔 安裝螺拾 支持構件 襯塾 蝸桿 壓力流體 安裝螺栓 通路 開口部 312370 先閱讀背面之注意事項再填窝衣I) 533117 A7 _B7 五、發明說明（1〇 ) 24 通路 25 安裝螺栓 26 旋轉密封部 27 0形環 28 0形環 29 固定螺栓 30 轴承 31 螺栓插入孔 32 止動部 33 旋轉止動部 34 中心蓋 (請先閱讀背面之沒意事項再填寫本頁) -裝---------訂—— 經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） 312370533117 A7 B7 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 5. Description of the invention (5) The shaft 6 is arranged inside the center hole 3b coaxially with respect to the rotation center line of the disk 3, and is provided with the A plurality of openings 23 and a plurality of passages 24 communicating with the openings 23 are conveyed on the disk surface 3a side, and are mounted on the support member 11 with mounting bolts 25 at the flange portion to be integrated with the disk 3. The distribution part 5 of this example is inserted into the cup-shaped shaft 6 and can be combined with it to rotate freely by sliding around the peripheral surface. A plurality of rotary seals are installed between the distribution part 5 and the shaft 6. The section 26 also passes through the passage 18 of the distribution section 5 and the passage 24 of the corresponding shaft 6 with the peripheral surface. O-rings 27 and 28 are installed between the shaft 6, the support member 11 and the disc 3. As described above, the rotation coupling portion 4 (the distribution portion 5 and the shaft 6) is detachably mounted on the disk surface 3 side by the mounting bolts 19 and 25. As shown in the figure, both the distribution portion 5 and the shaft 6 form passages is 24 through an annular groove. However, at least one of the gas passage 18 and the passage 24 forms a ring, and the distribution portion 5 and the shaft 6 can rotate relatively. Connected at all times. Both the distribution portion 5 and the shaft 6 are sequentially inserted into the center hole 3b of the disk 3 from the disk surface 3a side, and are mounted at predetermined positions. Therefore, the inner diameter of the supporting member u is formed to a size that allows the distribution portion 5 and the shaft 6 to be inserted. Therefore, on the opposite side of the disk surface, in this example, even if there is no space for attachment and detachment of the rotating connection portion 4 on the side of the mounting surface of the frame body 2, the distribution portion 5 and the shaft 6 can be removed from the disk surface 3a side. Replacement of the rotary seal portion 26.乂 Indexing plate 1 The mounting direction on the processing table of the working machine is the vertical, horizontal, or oblique direction of the axis of rotation of the indexing plate 丨 as its direction. -^ When the indexing action of the indexing disc 1 is performed, the motor 10 drives the worm 15 to drive the paper size to the Zhongguanjia standard (cnsG specification ⑵G x 297 meals-even drive 312370 --------- ------- ^^ 9 (锖 Please read the notes on the back before filling out this page) 5 533117 A7 B7 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs V. Description of the invention (6) The disc 3 as a whole is rotated by a predetermined rotation angle, thereby positioning the disc 3 at a predetermined rotation angle position. In this indexing operation, the pressure fluid 17 passes through the input port 22, the passage 21, and the plate 8 of the frame 2. The passage 20, the passage 18 of the distribution portion 5, and the passage 24 of the shaft 6 reach the opening portion 23 of the disk 3 and are supplied to the disk surface 3a side for use as needed. Next, other implementations will be described with reference to FIGS. 2 to 4 Forms. In the second to fourth figures, the same parts as those in the first figure are denoted by the same reference numerals and their explanations are omitted where necessary. Figure 2 is a modification of the first figure, and the rotary connection part * (distribution part 5 and shaft 6) ) Is inserted from the opposite side of the disk surface 3a. In this example, no bearing is provided between the distributor 5 and the shaft 6. As shown in FIG. 2, the distributor 5 is integrated with the plate 8 and is inserted into the through hole 7 of the frame 2 from the opposite side of the disk surface 3a, and can be detached from the frame 2 by mounting bolts 9. The shaft is mounted on the distribution portion 5 and the plate 8 Before the frame body 2 is inserted into the through hole 7 of the frame body 2 from the opposite side of the disk surface 3a, and is detachably mounted on the support member 11 integral with the disk 3 by mounting bolts 25 on the flange portion. In the configuration, even if there is no working space on the side of the disk surface 3, the work can be replaced on the disk 3 with the work and jigs installed, and the rotary seal 26 and the like can be replaced directly from the opposite side of the disk surface. Fig. 3 shows preassembly The rotary connection part 4 (distribution part 5 and shaft 6) is inserted from the opposite side of the disk surface 3a, and two bearings 30 are placed on the door of the distribution part 5 and the shaft 6. The mounting surface of the housing 2 of this example becomes " The side of the 3 frame ^ 2 does not exist on the plate 8. The paper size applies to China National Standard (CNS) A4 (21〇X 297 public love) " " " " — 11 — 6 312370 (锖 先Read the notes on the back side and fill in this I) B Pack -n ϋ If ϋ n I Order — .---- Λ 533117 A7 B7 V. Invention ((Please read the precautions on the back before filling in this page). The distribution part 5 is inserted into the shaft 6 from the opposite side of the disk surface 3a through the two bearings 30. The distribution part 5 and the shaft 6 are integrated into the above state. A plurality of mounting bolts 25 are detachably fixed inside the through hole 7 of the frame body 2. The mounting bolts 25 are screwed in from the back of the disc 3 through bolt insertion holes 31 common to the distribution portion 5 and the shaft 6. The rotation connection The assembly sequence of part 4 is not only the order of inserting one bearing 30 into the shaft 6 and the other bearing 30 into the distribution part 5, and then combining the two into one. At the distribution section 5, then insert it in the order of the shaft 6. In the assembled state of the rotary connection portion 4, the distribution portion 5 prevents the disk from being engaged by a stopper 32 such as a bolt or the like of the distribution portion 5 and the rotation stopper portion 33 fixed to the frame body 2. 3's rotation. The input port 22 is formed at an end of the distribution portion 5, and a pressure fluid is supplied to the input port 22 through a pipe (not shown). The consumer cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs prints the example shown in the first and second figures. After inserting the rotary joint 4 into the index plate 1, it is necessary to make the distribution part 5 of the inner member of the rotary joint 4 The core portion is exposed. However, in the example shown in FIG. 3, since the distribution portion 5 and the bearing 30 are fitted into the shaft 6 together, it is not necessary to expose the core portion of the distribution portion 5. According to FIG. 3 again, the distance between the distribution portion 5 and the shaft 6 is kept constant by the bearing 30, so that bending of the shaft 6 and seizure of the heat do not occur. In addition, since the rotary connection portion 4 is assembled in advance, the work time of the disc 3 can be shortened. According to the example shown in FIG. 3, although the column-shaped distribution portion 5 is fitted into the cylindrical shaft portion 6, the dispenser 5 may be formed into a cylindrical shape, the shaft 6 may be formed into a column shape, and the column-shaped shaft may be used. 6 is fixed to the plate 3 and fits inside the cylindrical dispenser 5. In this way, the internal and external relationship between the fitting of the distribution portion 5 and the shaft 6 can be reversed from the application of the Chinese National Standard (CNS) A4 standard (210 X 297 public hair Γ 533117 A7 watts, the description of the invention (8) 3) In this example, the change of Figure 4 to Figure 3 is performed. In this example, the rotary joint 4 (distribution 5 and shaft 6) to be assembled is inserted from the side of the disk surface 3a, and two bearings are arranged between the distribution 5 and f6. 30. As shown in the figure, the cylindrical shaft 6 is mounted on the center cover 34 with mounting bolts 25, and is inserted into the rear plate surface 3a side of the section of the center hole π of the disk 3, and is detachably mounted on the disk 3 Then, for the modified examples of Figs. 3 and 4, the rotary connection part 4 is not installed in advance, and the bearing 30 may be installed during a series of assembly processes with respect to one of the index plates. One for all of the foregoing For example, as mentioned above, the internal and external relationship between the distribution i of the distribution part 5 and the shaft 6 is not necessarily limited as shown in the figure, but it is possible to consider that the distribution part 5 is fitted inside the cylindrical shaft 6 or the shaft 6 is fitted to the barrel Inside the distribution portion 5. In another example, the rotary seal portion 26 is provided on the inner peripheral surface side of the shaft 6, but may be provided on the outer peripheral surface of the distribution portion 5. [Effect of the invention] According to the invention of the first scope of the patent application, when the rotary joint is inspected and repaired, the rotary joint can be attached or detached to form a rotary joint when it is installed on the disc surface side of the disc or on the opposite side. The distribution section and shaft of the Ministry. Therefore, it is possible to carry out inspection and repair operations without moving the index plate and assembling and disassembling the disk as in the past. According to item 2 of the scope of patent application, because the distribution section and the shaft are used together as a reason The disc is inserted on the disc side, so there is no space for loading and unloading on the opposite side of the disc. Inspection and repair operations can also be performed. According to item 3 of the scope of the patent application, the aforementioned distribution department and shaft together apply the Chinese national standard for the g paper size ( CNS) A4 specification (210 X 297 public love) '------ 8 (Please read the precautions on the back before filling out this page)--111 Order -----;! ---- · Intellectual Property of the Ministry of Economic Affairs Printed by the Consumer Cooperative of the Bureau 533117 A7 B7 V. Description of the invention (9) Inserted from the opposite side of the aforementioned disk surface, inspection and repair can be carried out due to parts and fixtures, etc. According to item 4 of the scope of patent application, there is a bearing, so it is embedded. Gap formation It is advantageous for bending or overheating, etc. [Simplified description of the drawing] Fig. 1 shows the index plate of the present invention. Fig. 2 shows the index plate of the present invention. Fig. 3 shows the index plate of the present invention. Indicating the indexing plate of the present invention [Explanation of the symbols] 1 indexing plate, 2a mounting surface 3 a disk surface 4 rotary joint 6 axis This need not be known, but is fixed between the work section and the shaft located on the 0 side of the disk industry, During the Gan Shi period, no bending will occur. It will be printed by the Consumers ’Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. Zhang scale is applicable to China National Standard (CNS) A4 specification (210 sectional view). Section view. Section view. Section view. Frame plate center hole distribution part through hole installation screw pick support member lining worm pressure fluid installation bolt passage opening 312370 Read the precautions on the back before filling the nest I) 533117 A7 _B7 V. Description of the invention (1〇) 24 passage 25 Mounting bolts 26 Rotary seals 27 0-rings 28 0-rings 29 Fixing bolts 30 Bearings 31 Bolt insertion holes 32 Stops 33 Rotary stops 34 Center cover (Please read the unintentional items on the back before filling this page) -Packing --------- Order—— Printed by the Consumers' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. The paper size is applicable to China National Standard (CNS) A4 (210 X 297 mm) 312370